Exterior surface of a wheel for a motor vehicle



FIG. 1 is a front view of an exterior surface of a wheel for a motorvehicle according to my novel design; and,

FIG. 2 is a perspective view of an exterior surface of a wheel for amotor vehicle according to my novel design.

Features shown in dash lines depict the environment and do not form partof the claimed design.

The ornamental design for an exterior surface of a wheel for a motorvehicle, as shown and described.